To assist new users of the operating system, Microsoft incorporated a tutorial that appears during the installation of Windows 8, and also during the first sign-in of a new user account, which visually instructs users to move their mouse cursor into any corner of the screen.Windows 8 KMS Activation Key. A Microsoft Key Management Server (KMS) is a legitimate service offered under Microsoft Volume Activation 2.0 solution which is used to activate volume licensed Microsoft products.website